import {onBeforeRouteUpdate, useRoute} from "vue-router";
import {getCategoryAPI} from "@/apis/category.js";
import {onMounted, ref} from "vue";

export function useCategory() {

  // 获取分类数据
  const categoryData = ref({})
  const route = useRoute()

  const getCategory = async (id = route.params.id) => {

    const res = await getCategoryAPI(id)
    console.log(res.result)
    categoryData.value = res.result
  }

  onMounted(() => getCategory())

  // 目标:路由参数变化的时候 可以把分类数据接口重新发送
  onBeforeRouteUpdate((to) => {
    // 存在问题：使用最新的路由参数请求最新的分类数据
    getCategory(to.params.id)
  })

  return {categoryData}
}
